Prosser, Tuesday, 6 October, 20:10
Clear. Feels like 63°. High 79°, low 50°.
In May, Prosser, WA averages a high of 75.2° and a low of 51.1°. About 0.7 inches of precipitation fall over the month (4 wet days). The record high is 105.1° (1986) and the record low 35.2° (1999). Normals are computed over the last 60 years.
| Day | High | Low | Chance of precip. | Record high | Record low |
|---|---|---|---|---|---|
| 1 | 70.9° | 46.2° | 12% | 89.8° (1998) | 36.3° (1967) |
| 2 | 71.2° | 48° | 15% | 87.3° (2016) | 36.3° (1965) |
| 3 | 71.4° | 47.1° | 13% | 89.2° (1966) | 37.2° (1996) |
| 4 | 72.1° | 47.5° | 8% | 93.9° (1966) | 35.8° (1962) |
| 5 | 71.8° | 48.6° | 22% | 94.8° (1966) | 36.5° (1999) |
| 6 | 72.5° | 48.4° | 15% | 96.3° (1992) | 36.5° (1965) |
| 7 | 72.3° | 48.2° | 12% | 97.7° (1987) | 38.1° (2002) |
| 8 | 73° | 48.4° | 15% | 97.3° (1987) | 35.8° (1996) |
| 9 | 72.9° | 49.1° | 13% | 94.5° (1987) | 35.8° (1999) |
| 10 | 73.2° | 49.3° | 13% | 95.7° (2013) | 35.2° (1999) |
| 11 | 74.3° | 49.8° | 10% | 95.2° (2013) | 36° (1970) |
| 12 | 75° | 50.4° | 12% | 100.8° (1993) | 38.1° (1985) |
| 13 | 75.6° | 50.4° | 10% | 92.7° (1993) | 36.3° (1970) |
| 14 | 75.6° | 51.8° | 23% | 96.3° (1973) | 39.6° (2017) |
| 15 | 75.9° | 51.4° | 17% | 96.4° (2006) | 41.5° (1974) |
| 16 | 76.6° | 52.3° | 8% | 99.1° (2006) | 39.7° (1974) |
| 17 | 75.7° | 51.8° | 17% | 100.8° (2008) | 38.7° (1974) |
| 18 | 75.4° | 51.8° | 12% | 99.5° (2006) | 41.2° (1974) |
| 19 | 75.7° | 51.8° | 13% | 95.7° (2023) | 41° (1999) |
| 20 | 75.6° | 51.8° | 13% | 97.3° (2023) | 41.5° (1971) |
| 21 | 75.7° | 52.3° | 13% | 91.8° (1963) | 39.9° (1960) |
| 22 | 76.1° | 52.2° | 20% | 94.6° (2001) | 36.5° (1960) |
| 23 | 76.6° | 52.2° | 17% | 100.2° (2001) | 38.8° (1964) |
| 24 | 77.5° | 53.2° | 8% | 95.2° (1983) | 42.3° (2010) |
| 25 | 77.9° | 54° | 12% | 95.5° (1992) | 41° (1964) |
| 26 | 77.7° | 54.5° | 18% | 94.1° (2001) | 41.7° (1973) |
| 27 | 77.2° | 54° | 15% | 94.3° (1983) | 43.2° (1977) |
| 28 | 77.9° | 53.8° | 8% | 103.5° (1983) | 42.4° (2011) |
| 29 | 78.8° | 54.7° | 15% | 104° (1983) | 42.6° (1976) |
| 30 | 79.5° | 54.9° | 13% | 103.8° (1986) | 44.6° (1962) |
| 31 | 79.7° | 55.4° | 13% | 105.1° (1986) | 45.5° (1976) |